Multiple choice

A person of height h is standing at the centre of the room looking towards a plane mirror hung on a wall. He can see the whole height of the wall behind him if the length of the mirror is

  1. h

  2. h/2

  3. h/3

  4. h/4

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A person of height h is standing at the centre of the room looking towards a plane mirror hung on a wall. He can see the whole height of the wall behind him if the length of the mirror is h/2.